Investment Securities - Summary of Available-for-Sale Investment Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Investment Securities
Amortized cost	$ 649,683	$ 585,942
Gross unrealized gains	362	2,893
Gross unrealized losses	(64,512)	(60,196)
Fair value	585,533	528,639
U.S. Treasury securities
Investment Securities
Amortized cost	53,576	73,144
Gross unrealized gains	110	1,082
Gross unrealized losses	(11)
Fair value	53,675	74,226
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Amortized cost	219,693	173,308
Gross unrealized gains	140	1,248
Gross unrealized losses	(18,698)	(16,891)
Fair value	201,135	157,665
Other residential MBS issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Amortized cost	376,163	338,768
Gross unrealized gains	112	563
Gross unrealized losses	(45,803)	(43,305)
Fair value	330,472	296,026
Other securities
Investment Securities
Amortized cost	251	722
Fair value	$ 251	$ 722

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details